Cactus thorns are stuck in the hand, but the penetration is shallow, the cactus thorns can be removed by oneself, and the local area can be sterilized with 0.5% vital iodine; if the penetration is deeper, the necrotic tissues and cactus thorns left in the body need to be removed thoroughly. 1. Shallow penetration: the patient’s hand is stuck by the cactus thorns, but the depth is shallow, the cactus thorns can be removed by oneself, and the local area should be sterilized with 0.5% vital iodine. Then use sterile gauze or bandage to avoid infection. 2. Deeper penetration: The patient’s hand is pierced by cactus thorns, but at a deeper depth, with obvious swelling, pain, and limited hand movement. It is recommended to go to the hospital as soon as possible, under local anesthesia, to completely remove the local necrotic tissue and residual cactus spines. If secondary bacterial infection occurs, antibiotic treatment with amoxicillin and penicillin should also be taken under medical supervision. If a cactus thorn is lodged in the hand, if it is shallowly lodged, it can be treated through normal treatment. If joined deeper, you should go to the hospital as soon as possible, and under the guidance of the doctor to carry out related operations and treatment.